Gwen Chalmers and the Poisoned Chocolates
The Mystery of The Invisible DogGwen Chalmers’s poisoning shifts the courtyard from social observation to emergency and reveals that Murphy is trying to control who can use the pool.
increasing
Bearing strength in each event
decreasing
A Package Arrives

A Package Arrives
A public delivery
Mrs Bortz gives Gwen Chalmers a parcel while lingering to learn what is inside. Several neighbors watch the exchange from the courtyard.
A vulnerable routine
Chalmers opens the package and begins eating chocolates. Her casual trust in a mailed gift creates the opportunity for a concealed attack.
The Courtyard Collapse

The Courtyard Collapse
Sudden pain
Gwen Chalmers clutches her throat and falls to the ground, crying out that it hurts. The boys rush downstairs as the neighbors gather.
Suspected poisoning
Jupiter Jones notices an unusual odor on a crushed chocolate and calls for medical help. A social scene becomes an urgent investigation.
Hospital Observation

Hospital Observation
Medical treatment
Gwen Chalmers receives treatment at Central Hospital and survives the poisoning. The police learn that the substance is a common chemical rather than a dramatic mystery-story poison.
A search for motive
Jupiter Jones asks whether she has enemies, but Chalmers insists she is well liked. The absence of an obvious personal feud suggests that her habits, not her character, may matter.
The Pool Connection

The Pool Connection
A clue in routine
Jupiter Jones notes that Chalmers swims every night. The attack could keep her away from the courtyard pool while someone retrieves the hidden sculpture.
A wider pattern
Her injury is no longer an isolated attempt at harm. It may be part of a plan to clear the pool area of witnesses.
A Friend’s Visit

A Friend’s Visit
Recovery and kindness
Jupiter Jones finds Chalmers stable and receives news that coworkers have sent her a plant. She expects to return home soon.
A neighbor at risk
Her easy relationships make a personal motive less likely. The episode strengthens the possibility that she was targeted because of where and when she spent her evenings.
Late afternoon on the first camera stakeout
Moments after the package is opened
Two hours after the collapse
The day after the poisoning
The day after the hospital visit